Skippy followed soon after in 1933 and Jif in 1958. Skippy was the leading peanut butter brand in the U.S. until 1980, a title that now belongs to Jif. The brand, using a patent from Skippy creator Joseph Rosefield, was the first to use hydrogenation to ship off the spread and revolutionized the industry forever. It was Peter Pan, originally known as E.K. Pond, that became the first brand to commercially develop peanut butter in 1920, sparking the way we eat peanut butter today. Experts believe farmers in the southern U.S. had been grinding peanuts into a paste in the...